
Twin sisters, Chisato and Kuu, lost their parents, and they were adopted by an old man. Then they met Shoma. Shoma was living with his grandfather because his parents were going to get divorced. Chisato was a tomboy, while Kuu was a crybaby. They both liked Shoma. 10 years have passed since then. Shoma gave up his dream to become a violinist and worked as an editor of a music magazine office. To hear the grandfather’s death, he went to the house and he had a reunion with the two girls who had become beautiful women... (Source: AnimeNfo)
Natural2 -DUO- is a Japanese visual novel of 232,760 characters, with 6,640 unique words and 1,374 different kanji. Its difficulty rating on Jiten is easy, 1.8 out of 5. The full vocabulary list ranks all 6,640 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.
Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.